• Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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• 2008.05a
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• pp.976-979
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• 2008

As internet occupies a great deal of portion in our life, a lot of mental diseases become the points at issue relating to internet addiction. The purpose of this study is to examine whether internet addiction is related with Attention Deficit Hyperactivity Disorder that is characterized with sustained inattention, hyperactivity and impulsivity and then find out which sub-factors of internet addiction are influencing effective on Attention Deficit Hyperactivity Disorder. As result of applying reliability analysis, frequency analysis, cross tabulation analysis, t-test, ANOVA, Pearson's correlation analysis and multiple regression analysis, it shows the following research results.

• Women's Health Nursing
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• v.9 no.3
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• pp.309-318
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• 2003

Purpose : This investigation was carried out to understand how various gender role identity in adolescence affect sexual intercourse. In addition, it was done to support and encourage gender role identity which can protect themselves from physical, psychological, social sexuality. Method : From 2003 7.1 to 7.19, questionnaire made by Lee BS(2002) was distributed to 1172 girl high school students in Seoul. Its reliability was as high as 0.80 and it was analysed by SPSS. Result : In the 3 kinds of gender role identity, girls who had sexual relations showed higher feminity and masculinity and did not show any difference in social desirability. in the 4 kinds of gender role identity, girls with sexual experience showed higher frequency in oder of androgyny and undifferentiated. In 8kinds, bisexuality was higher and girls with experience showed undifferentiated of low social desirability. There were no difference between the gender role identity and the age of the first sexual experience. The factors that affected gender role identity were school, grade, economic standard and whether they have a girlfriend or boyfriend. Conclusion : Programs that focus on problem solving of sexual education for androgyny of sexually high experienced and undifferentiated of low social desirability, should be provided.

• Journal of Agricultural Extension & Community Development
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• v.19 no.2
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• pp.211-240
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• 2012

The purpose of this study was to identify korean agricultural extension workers' Perception of role ambiguity according to restructuring of Agricultural Administrative Systems. The target population of this study was selected from 21 centers out of 156 centers. The subjects for study were 728 agricultural extension officers by the cluster sampling drawn from the sampled 21 agricultural extension centers in four clusters. A survey questionnaire was utilized to measure variables of this study. It consisted of role ambiguity scale and demographic items. In this study, role ambiguity scale was translated from the existing scale. Through a pilot test and final survey, reliability and validity of these scales were examined. The data were collected by mail. A total 420 questionnaires out of 728 from 21 agricultural extension centers were returned. After data cleaning, 410 responses were used for analysis. Both descriptive and inferential statistics were applied for data analysis. Major findings of the study were as follows. There were significant differences of the degree of role ambiguity among the local extension workers divided by four clusters. Especially, the degree of role ambiguity of restructured local administrative system were more higher than other clusters, comparatively. Thus, the factors causing the role ambiguity to agricultural extension officers need to be measured it in-depth.

• Korean Journal of Social Welfare
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• v.64 no.3
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• pp.127-153
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• 2012

This study aims to develop the case management activities inventory relevant to community-based mental health settings. The comprehensive literature review was conducted to define the concepts and activities for the case management process. After the content analysis from the professional scholar and the mental health-related worker, 83 items were constructed. A survey was conducted to 265 case managers in community mental health centers. Through exploratory factor analysis, reliability and validity analysis, finally 8 factors and 43 items were identified.

• Wind and Structures
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• v.13 no.1
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• pp.1-20
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• 2010

The recommended factored design wind load effects for overhead lattice transmission line towers by codes and standards are evaluated based on the applicable wind load factor, gust response factor and design wind speed. The current factors and design wind speed were developed considering linear elastic responses and selected notional target safety levels. However, information on the nonlinear inelastic responses of such towers under extreme dynamic wind loading, and on the structural capacity curves of the towers in relation to the design capacities, is lacking. The knowledge and assessment of the capacity curve, and its relation to the design strength, is important to evaluate the integrity and reliability of these towers. Such an assessment was performed in the present study, using a nonlinear static pushover (NSP) analysis and incremental dynamic analysis (IDA), both of which are commonly used in earthquake engineering. For the IDA, temporal and spatially varying wind speeds are simulated based on power spectral density and coherence functions. Numerical results show that the structural capacity curves of the tower determined from the NSP analysis depend on the load pattern, and that the curves determined from the nonlinear static pushover analysis are similar to those obtained from IDA.

• The Korean Journal of Health Service Management
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• v.9 no.3
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• pp.81-93
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• 2015

Objectives : The objective of this study was to examine preceding variables that affect the dual commitment of outsourced employees working at hospitals and to analyze the influence of these variables on job performance. Methods : Data were collected from 461 outsourced employees, working at 7 general hospitals, which had introduced the outsourcing system, using a structured, self-administered questionnaires. Frequency, validity/reliability, correlation and path analyses were done for data analysis. Results : The results of the path analyses showed that both commitment to the hiring company and commitment to the client company (hospital) had statistically significant positive effects on job performance. Additionally, when the 'single measurement' approach was used, dual commitment had a larger positive effect, compared with the 'parallel approach.' Among the preceding variables, 'satisfaction for the job itself' was found to be the most important variable affecting dual commitment and job performance. Conclusions : In conclusion, to enhance the job performance of outsourced employees, it is important for management to examine and improve the various factors related to job satisfaction. Additonally, for outsourced employees to have organizational commitments to the hiring and client companies simultaneously, management should emphasize a sense of unity and share organizational values.

• Journal of the Korean Society of Manufacturing Process Engineers
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• v.13 no.5
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• pp.21-27
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• 2014

Currently, wind power has become a major research field in the area of sustainable development. As one important component of a wind turbine transmission system, most instances of downtime due to a gearbox failure are caused by bearing failures. Gearboxes for wind turbines must have the highest levels of reliability over a period of approximately 20 years, withstanding high dynamic loads. At the same time, a lightweight design and cost minimization efforts are required. These demands can only be met with a well-thought-out design, high-quality materials, a high production quality and proper maintenance. In order to design a reliable and lightweight gearbox, it is necessary to analyze methods pertaining to the bearing rating lifetimes of the standard and of different companies, also including calculation methods for modification factors. This can determine the influence of the bearing lifetime.

• Journal of the Korean Institute of Educational Facilities
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• v.20 no.2
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• pp.15-24
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• 2013

Concerns about green building construction were quite increasing around the world. Therefore, Korea Government has executed the Green Building Certification Criteria(GBCC) in 2002. The GBCC of educational facilities was executed in 2005 and was revised in 2010. The aim of this paper is to check the reliability of weighting factors in all assessment categories of GBCC and to suggest the future revision direction of GBCC. For the study, the old and current version of GBCC were examined and the 5 cases certificated by the old version were analyzed and reassessed by current version to compare with the differences of the two in obtaining the green building certification. According to the results of the study, the GBCC requires additional amendments about the assessment categories of the energy consumption monitoring and building commissioning as required subjects in order to secure the stable performances of building. In addition, the categories of building management need to be assessed more intensively and the certification criteria for existing building should be enacted as soon as possible.

• Korean Institute of Interior Design Journal
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• v.20 no.6
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• pp.192-199
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• 2011

The purposes of this study are to present the criteria for a sensibility rating scale for measuring the general women's perception of museums' spatial environment, through an empirical analysis; and to clarify the characteristics of the presented rating scale in terms of each rating element and factor. For this study, a survey was conducted during August 19 - September 16, 2010, and a total of 342 museum visitors participated in the survey. A sensibility rating scale used for the survey consisted of a total of 32 adjectives selected from a literature review of previous studies. To specify the dimensions of semantic space using the semantic adjectives, words with opposite meanings were analyzed with the semantic differential technique developed by Osgood et al. Using SPSS, a reliability analysis, factor analysis were conducted on the data obtained from the survey. The results of this study can be summarized as follows: According to the women's perception of museums' spatial environment, six factors were found from the 25 semantic ratings of the Museum. The summarized criteria were: 'aesthetic', 'pleasant', 'valuable', 'function', 'affinity', and 'material.' The derived criteria were verified through an empirical test using emotional adjectives. In the coming years, the results of this study will serve as valuable data for constructing a sensibility rating scale for evaluating spatial environments of museums.

• The Research Journal of the Costume Culture
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• v.19 no.6
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• pp.1272-1287
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• 2011

The purpose of this study were to investigate the influences of objectified body consciousness and body esteem on the weight and hair management behaviors of females. The questionnaires were administrated to 632 female residents of the Gwangju city, Korea. The SPSS for Windows 18.0 Statistics Package was used for data analysis. To verify the formulated hypotheses, descriptive statistical analysis, factor analysis, reliability analysis(Cronbach's ${\alpha}$), regression analysis, path analysis were used. The results were as follows. First, objectified body consciousness was divided into three factors: body shame, body surveillance, and appearance control beliefs. objectified body consciousness turned out to have positive influences on overall weight management behaviors and hair management behaviors. Second, objectified body consciousness appeared to have positive influence on overall body esteem. When the influences were further examined, body surveillance turned out to have significant positive influence on body esteem, whereas body shame and appearance control beliefs seemed to have few significant influences on body esteem. Third, body esteem appeared to have significant positive influence on all weight management behaviors and hair management behaviors. Fourth, it was found that objectified body consciousness had direct impact on the weight management behaviors and hair management behaviors without mediation body esteem.